Police Sgt. Paul Rodriguez said Saturday that Miller and his training officer were the only two officers known to have directly engaged Christian Taylor. The 19-year-old Arlington native who was a sophomore at Angelo State University in West Texas. Other officers had set up a perimeter around the car dealership where the incident occurred.

Police say they were responding to a report of a burglary at the Classic Buick GMC in Arlington, 10 miles west of Dallas.